Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 624, listelenen: 241-260
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Synthesis and characterization of metallo phthalocyanines bearing 7-oxy-3-(4-pyridyl)coumarin substituents and their supramolecular structures with vanadyl bis(acetylacetonate)
(Pergamon-Elsevier Science Ltd, 2012)The synthesis of novel zinc and cobalt metallo phthalocyanines with four 7-oxy-3-(4-pyridyl)coumarin dye groups on the periphery/non-periphery were prepared by cyclotetramerization of 7-(3,4-dicyanophenoxy)-3-(4-pyridyl)coumarin ... -
Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties
(Elsevier Science Sa, 2017)Copper phthalocyanines (CuPc) containing alkylthio (-S(CH2)(n)CH3, n = 7 and 15), alkyloxy- (-O(CH2)(n)CH3, n = 7 and 15) and polyoxo [-O(CH2CH2O)(3)CH3 and S(CH2CH2O)(3)CH3] substituents were synthesized and investigated ... -
Synthesis, characterization, and swelling behavior of poly(N-hydroxymethylacrylamide) grafted poly(vinyl alcohol)
(Wiley, 2020)In this study, the graft copolymerization of N-hydroxymethylacrylamide (NHMAAm) with poly(vinyl alcohol) (PVA) was carried out by using potassium persulfate/N,N,N,N-tetramethylethylenediamine (K2S2O8) to improve physicochemical ... -
A Note on the Structure of Certain Real Quadratic Number Fields
(Springer International Publishing Ag, 2017)The aim of this paper is to determine the general forms of the continued fraction expansions of the quadratic irrational number w(d) which is integral basis element of Z [1+root d/2] also determine t(d); u(d) which are the ... -
Some results on a special type of real quadratic fields
(Karaganda State Univ, 2019)In this paper, we determine the real quadratic fields Q(root d) coincide with positive square-free integers d including the continued fraction expanison form of w(d) - [a(0);7,7,...7,a(l)/l-1]. Furthermore, we deal with ... -
Some new Hermite-Hadamard type inequalities for s-convex functions and their applications
(Springeropen, 2019)In this paper, we establish some new integral inequalities of Hermite-Hadamard type for s-convex functions by using the Holder-iscan integral inequality. We also compare our new results with the known results and show that ... -
HERMITE-HADAMARD TYPE INEQUALITIES FOR m-CONVEX AND (alpha, m)-CONVEX STOCHASTIC PROCESSES
(Etamaths Publ, 2019)In this paper, the concepts of m-convex and (alpha, m)-convex stochastic processes are introduced. Several new inequalities of Hermite-Hadamard type for differentiable m-convex and (alpha, m)-convex stochastic processes ... -
Analytical exact solutions for the Razavy type potential
(Wiley, 2020)A quantum system with Razavy type potential which transforms to single or double well potential according to negative or positive potential parameterk, is solved analytically by using extended form of Nikiforov-Uvarov (NU) ... -
Determination of the Some Results for Coupled Fixed Point Theory in C*- Algebra Valued Metric Spaces
(Indonesian Mathematical Soc, 2020)In the present paper, we introduce the coupled fixed point theorem in C*-algebra valued metric spaces. We get a C*-algebra valued metric space which get values in noncomutative operators. We demonstrate existance and ... -
Fundamental units for real quadratic fields determined by continued fraction conditions
(Amer Inst Mathematical Sciences-Aims, 2020)The aim of this paper is to obtain the real quadratic fields Q (root d) including omega(d) = [a(0) ; ; /gamma, gamma, ..., gamma, a(l) } l-1 where l = l (d) is the period length and gamma is a positive odd integer. Moreover, ... -
Some Convergence Results Using K* Iteration Process in Busemann Spaces
(Univ Putra Malaysia Press, 2019)In this paper, some strong and Delta-convergence results for mapping satisfying condition (E) in the setting of uniformly convex Busemann spaces are proved. We are using newly introduced K* iteration process for approximation ... -
AN EXAMINATION OF THE CONDITION UNDER WHICH A CONCHOIDAL SURFACE IS A BONNET SURFACE IN THE EUCLIDEAN 3-SPACE
(Univ Nis, 2021)In this study, we examine the condition of the conchoidal surface to be a Bonnet surface in Euclidean 3-space. Especially, we consider the Bonnet conchoidal surfaces which admit an infinite number of isometrics. In addition, ... -
One-Pot, One-Step Strategy for the Preparation of Clickable Melamine Based Microporous Organic Polymer Network
(Wiley-V C H Verlag Gmbh, 2015)Although, current preparation methods for microporous organic polymers (MOP) based on coupling or condensations reactions are simple and flexible, they suffer from the requirement of additional modification steps for ... -
ISOTROPIC SMARANDACHE CURVES IN THE COMPLEX 4-SPACE
(Honam Mathematical Soc, 2018)We define the e(1)(alpha) e(3)(alpha)-isotropic Smarandache curves of type-1 and type-2, the e(1)(alpha)e(2)(alpha)e(3)(alpha)-isotropic Smarandache curve, and the e(1)(alpha)e(2)(alpha)e(4)(alpha)-isotropic Smarandache ... -
A note on the spherical images of W-partially null curves in Minkowski space-time E-1(4)
(Tbilisi Centre Math Sci, 2019)In this study, we investigate the tangent, principal normal and trinormal spherical images of a W-partially null curve in pseudohyperbolic space H-0(3) of Minkowski space time E-1(4). The tangent, principal normal spherical ... -
Hydrothermal synthesis of Co3O4 with different morphology: Investigation of magnetic and electrochemical properties
(Elsevier, 2021)Co3O4 nanostructures were manufactured using hydrothermal synthesis method and then at high temperature calcinations process was performed. In the production process, the starting material remained constant and the additives ... -
Wet-chemical etching of GaAs(211)B wafers for controlling the surface properties
(Inderscience Enterprises Ltd, 2019)Substrate surface plays an important role to achieve high performance infrared devices and high-quality film layers. GaAs (211)B wafers were intensively used in infrared detector applications. Despite 'epiready' wafers can ... -
A novel approach to Chromium rejection from sewage wastewater by pervaporation
(Elsevier, 2021)Pervaporation is an effective method, especially in the separation of azeotropic mixtures or in the recovery of some components from the mixtures. Although various methods have been used for the treatment of chromium-containing ... -
Spectroscopic and microscopic investigation of MBE-grown CdTe (211) B epitaxial thin films on GaAs (211)B substrates
(Springer Heidelberg, 2018)CdTe epitaxial thin films, for use as a buffer layer for HgCdTe defectors, were grown on GaAs (211)B using the molecular beam epitaxy method. Wet chemical etching (Everson method) was applied to the epitaxial films using ... -
Adsorptive Removal of Methylene Blue from Aqueous Solution by the Activated Carbon Obtained from the Fruit of Catalpa bignonioides
(Springer International Publishing Ag, 2015)In this study, the fruit of Catalpa bignonioides was used as the raw material to obtain low-cost activated carbon. The activation process was carried out by using chemical activation method with zinc chloride. Catalpa ...
